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. 2022 Sep 21;10:915846. doi: 10.3389/fped.2022.915846

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Copyright © 2022 van Willigen, van der Hout-van der Jagt, Huberts and van de Vosse.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Clinical scenario: cardiotocography (CTG) with variable decelerations and corresponding arterial oxygen (pO_{2, a}) and mean arterial pressure (MAP) signal. Each contraction evokes a different fetal heart rate (FHR) response, due to contraction-to-contraction changes in both uterine pressure level (UP) and duration, and in the compressibility of the umbilical cord. Overall, FHR corresponds well with changes in MAP and pO_{2, a}. This figure is obtained from the Ph.D. thesis of (73) with permission.